CN109429311B - Communication method and communication device of wireless network - Google Patents
Communication method and communication device of wireless network Download PDFInfo
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- CN109429311B CN109429311B CN201710735719.3A CN201710735719A CN109429311B CN 109429311 B CN109429311 B CN 109429311B CN 201710735719 A CN201710735719 A CN 201710735719A CN 109429311 B CN109429311 B CN 109429311B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0866—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a communication method and a communication device of a wireless network, wherein the communication method of the wireless network comprises the following steps: when the covering wave beam is in an awakening mode, timing a time length for continuously not sending downlink data and a time length for continuously timing and not receiving uplink data, and respectively recording the time lengths as a first time length and a second time length; and when the first duration is detected to be greater than or equal to a preset first duration and the second duration is detected to be greater than or equal to a preset second duration, configuring the coverage wave beam to enter a sleep mode, wherein the coverage wave beam comprises a transmitting wave beam and a receiving wave beam. By the technical scheme of the invention, the power consumption loss of the base station equipment can be reduced, and the communication interference is reduced.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a communication method and a communication apparatus for a wireless network.
Background
The 5G NR (fast Generation New Radio, Fifth Generation New wireless communication) technology employs a large-scale antenna array, specifically employs a beamforming (beam forming) technology to cover a communication cell, specifically, the beamforming technology makes signals effectively superimposed by conditioning phases of antennas, that is, stronger signal gain is used to overcome path loss.
Specifically, the essence of the beamforming technology is to control the focusing of wireless carrier signals, that is, to form a directional beam (beam) by using a plurality of methods such as analog beamforming, digital beamforming, hybrid beamforming, etc., where the beam is narrow, the transmission beam and the reception beam configured by the base station device can only cover one or several terminal devices, and the terminal device is in an RRC _ IDLE state when there is no uplink data or downlink data due to possible location movement of the terminal device. In addition, the RRC (Radio Resource Control) state includes RRC _ IDLE and RRC _ CONNECTED states, and in order to reduce power consumption of the terminal device, the terminal device in the RRC _ CONNECTED state may configure a Discontinuous Reception (DRX) cycle in which the terminal device is in a sleep mode.
In the related art, when the terminal device is in the RRC _ IDLE state or in the DRX cycle, the base station device still covers the terminal device with the transmit beam and the receive beam, at this time, the transmit beam still transmits the time synchronization signal, the broadcast signal, the system information, the cell common pilot information, and the like, and the receive beam also needs to monitor the uplink channel, which not only increases the power consumption loss of the base station, but also may cause interference to the communication device of the neighboring cell and the coverage beam thereof.
Disclosure of Invention
The present invention is based on at least one of the above technical problems, and provides a new communication scheme for a wireless network, where when it is detected that the first duration is greater than or equal to a preset first duration and the second duration is greater than or equal to a preset second duration, it may be determined that downlink data does not need to be sent or uplink data does not need to be received, and the coverage beam is configured to enter a sleep mode, so as to reduce power consumption of a base station device, and at the same time, reduce communication interference with an adjacent cell and its coverage beam.
In order to achieve the above object, a technical solution of a first aspect of the present invention provides a communication method for a wireless network, including: when the covering wave beam is in an awakening mode, timing a time length for continuously not sending downlink data and a time length for continuously timing and not receiving uplink data, and respectively recording the time lengths as a first time length and a second time length; and when the first duration is detected to be greater than or equal to a preset first duration and the second duration is detected to be greater than or equal to a preset second duration, configuring the coverage wave beam to enter a sleep mode, wherein the coverage wave beam comprises a transmitting wave beam and a receiving wave beam.
In the technical scheme, when the first duration is detected to be greater than or equal to the preset first duration and the second duration is detected to be greater than or equal to the preset second duration, when it is determined that downlink data does not need to be sent or uplink data does not need to be received, the coverage beam is configured to enter the sleep mode, so that the power consumption of the base station equipment can be reduced, and meanwhile, the communication interference on the adjacent cell and the coverage beam thereof can also be reduced.
Specifically, the coverage beams may be divided into a transmission beam and a reception beam, where the transmission beam is used to transmit downlink data, and the reception beam is used to receive uplink data transmitted by the terminal device, where each transmission beam has its corresponding reception beam (without excluding a case where the transmission beam and its corresponding reception beam are the same beam). Therefore, considering that the terminal device in the cell may be in the RRC _ IDLE state or the DRX state, the base station device may enter the sleep mode according to the communication state of the terminal device, that is, the base station device may control the coverage beam to enter the sleep mode to reduce power consumption, and at the same time, may also reduce communication interference of the coverage beam to the coverage beam of the neighboring cell.
In the foregoing technical solution, preferably, the communication method of the wireless network further includes: when the covering wave beam is in an awakening mode, a sending time synchronization signal, a broadcast signal, system information, cell common pilot frequency information and downlink data of the sending wave beam are configured, wherein the time synchronization signal comprises primary synchronization information and/or secondary synchronization information.
In the technical scheme, when the coverage beam is in an awake mode, a transmission time synchronization signal, a broadcast signal, system information, cell common pilot information, and downlink data of the transmission beam are configured, where the time synchronization signal includes primary synchronization information and/or secondary synchronization information, and the downlink data may be buffered downlink data buffered in a base station device, which specifically includes the following technical effects:
(1) by configuring and forming a sending beam to send a time synchronization signal, at least the following three synchronization requirements can be realized:
(1.1) during capturing of symbol and frame timing, time synchronization information is needed to determine the correct symbol starting position;
(1.2) in carrier frequency synchronization, time synchronization information is required to reduce or eliminate the influence of frequency error, wherein the frequency error may be caused by Doppler shift of terminal equipment movement;
(1.3) the time synchronization information is also used for synchronization of the sampling clock.
(2) Through configuring and forming a sending beam to send a broadcast signal, the base station equipment can realize a point-to-multipoint connection negotiation process with all terminal equipment in a cell, correspondingly, any terminal equipment in the cell can select to receive or reject the broadcast information, and the point-to-multipoint transmission mode reduces the total amount of downlink transmission data and also reduces the power consumption and the spectrum resource occupancy rate of a control layer.
(3) A transmission beam is configured to transmit System signals, such as MIB (Main Information Block) messages, SIB (System Information Block) messages, and System Information (SI) messages, to negotiate basic parameter Information, access parameter Information, scheduling Information, common and shared Information configuration Information, cell reselection Information, etc., of a cell.
(4) The cell common pilot information is transmitted by configuring a transmission beam, the cell common pilot information exists in a physical channel, and is used for a signal transmitted for the purpose of measurement or monitoring, the signal is usually constant in power (such as 29dBm), and the signal can be used for scenes of soft handover, cell selection reselection, open loop power control, pilot pollution and the like.
In the foregoing technical solution, preferably, the communication method of the wireless network further includes: and when the covering beam is in an awakening mode, configuring a receiving beam to monitor an uplink channel and receive uplink data.
In the technical scheme, when the covering beam is in an awakening mode, the receiving beam is configured to monitor an uplink channel and receive uplink data so as to respond to an uplink request frame and the uplink data of the terminal equipment in real time, and further the reliability of communication is ensured.
In the foregoing technical solution, preferably, the communication method of the wireless network further includes: after configuring the covering wave beam to enter a sleep mode, configuring the sending time synchronization information of the sending wave beam and the configuration information of the random access pilot frequency time frequency resource; after the coverage wave beam enters the sleep mode, if the downlink data to be sent is detected, the configuration sending wave beam enters the wake-up state to send the downlink data, wherein the configuration information of the random access pilot frequency time frequency resource is used for indicating the terminal equipment to send the position of the random access pilot frequency time frequency resource and the format information of the random access sequence.
In the technical scheme, after configuring the covering beam to enter the sleep mode, the sending time synchronization information of the sending beam and the configuration information of the random access pilot frequency time-frequency Resource are configured, so that the possibility of time desynchronization between the terminal equipment and the base station equipment can be reduced, meanwhile, the configuration information of the random access pilot frequency time-frequency Resource can directly indicate the symbol position and the RB (Resource Block) position of the random access pilot frequency, and can also be a configuration label indicating various possible time-frequency positions, so that the terminal equipment with the moved position can be rapidly and randomly accessed to the base station equipment.
In the foregoing technical solution, preferably, the communication method of the wireless network further includes: after the configured covering wave beam enters a sleep mode, in a preset random access pilot frequency time period, receiving the wave beam to enter an awakening state and monitoring an uplink channel so as to obtain a random access pilot frequency request sent by terminal equipment; if the receiving wave beam does not acquire the random access pilot frequency request in the preset random access pilot frequency time period, the receiving wave beam enters a dormant state and stops monitoring an uplink channel and receiving uplink data; and if the wave beam is received to acquire the random access pilot frequency request in the preset random access pilot frequency time period, configuring the covering wave beam to enter an awakening mode.
In the technical scheme, in a preset random access pilot time period, a receiving beam does not acquire a random access pilot request, enters a dormant state and stops monitoring an uplink channel and receiving uplink data, namely, the receiving beam is configured to be formed to monitor the uplink channel and receive the uplink data, and in the preset random access pilot time period, the receiving beam acquires the random access pilot request, and the covering beam is configured to enter an awake mode to reestablish a connection relation with terminal equipment and form a sending beam covering the terminal equipment.
According to an embodiment of the second aspect of the present invention, a communication apparatus of a wireless network is provided, including: a timing unit, configured to time a duration for which downlink data is not transmitted continuously and a duration for which uplink data is not received continuously when the coverage beam is in the wake-up mode, and to record the durations as a first duration and a second duration, respectively; the communication unit is configured to configure a coverage beam to enter a sleep mode when it is detected that the first duration is greater than or equal to a preset first duration and it is detected that the second duration is greater than or equal to a preset second duration, where the coverage beam includes a transmit beam and a receive beam.
In the technical scheme, when the first duration is detected to be greater than or equal to the preset first duration and the second duration is detected to be greater than or equal to the preset second duration, when it is determined that downlink data does not need to be sent or uplink data does not need to be received, the coverage beam is configured to enter the sleep mode, so that the power consumption of the base station equipment can be reduced, and meanwhile, the communication interference on the adjacent cell and the coverage beam thereof can also be reduced.
Specifically, the coverage beams may be divided into a transmission beam and a reception beam, where the transmission beam is used to transmit downlink data, and the reception beam is used to receive uplink data transmitted by the terminal device, where each transmission beam has its corresponding reception beam (without excluding a case where the transmission beam and its corresponding reception beam are the same beam). Therefore, considering that the terminal device in the cell may be in the RRC _ IDLE state or the DRX state, the base station device may enter the sleep mode according to the communication state of the terminal device, that is, the base station device may control the coverage beam to enter the sleep mode to reduce power consumption, and at the same time, may also reduce communication interference of the coverage beam to the coverage beam of the neighboring cell.
In the above technical solution, preferably, the communication unit is further configured to: when the covering wave beam is in an awakening mode, a sending time synchronization signal, a broadcast signal, system information, cell common pilot frequency information and downlink data of the sending wave beam are configured, wherein the time synchronization signal comprises primary synchronization information and/or secondary synchronization information.
In the technical scheme, when the coverage beam is in an awake mode, a transmission time synchronization signal, a broadcast signal, system information, cell common pilot information, and downlink data of the transmission beam are configured, where the time synchronization signal includes primary synchronization information and/or secondary synchronization information, and the downlink data may be buffered downlink data buffered in a base station device, which specifically includes the following technical effects:
(1) by configuring and forming a sending beam to send a time synchronization signal, at least the following three synchronization requirements can be realized:
(1.1) capturing symbol and frame timing, requiring time synchronization information to determine the correct symbol start position;
(1.2) in carrier frequency synchronization, time synchronization information is needed to reduce or eliminate the influence of frequency error, wherein the frequency error may be caused by Doppler shift of terminal equipment movement;
(1.3) the time synchronization information is also used for synchronization of the sampling clock.
(2) Through configuring and forming a sending beam to send a broadcast signal, the base station equipment can realize a point-to-multipoint connection negotiation process with all terminal equipment in a cell, correspondingly, any terminal equipment in the cell can select to receive or reject the broadcast information, and the point-to-multipoint transmission mode reduces the total amount of downlink transmission data and also reduces the power consumption and the spectrum resource occupancy rate of a control layer.
(3) A transmission beam is configured to transmit System signals, such as MIB (Main Information Block) messages, SIB (System Information Block) messages, and System Information (SI) messages, so as to negotiate basic parameter Information, access parameter Information, scheduling Information, common and shared Information configuration Information, cell reselection Information, and the like of a cell.
(4) The cell common pilot information is transmitted by configuring a transmission beam, the cell common pilot information exists in a physical channel, and is used for a signal transmitted for the purpose of measurement or monitoring, the signal is usually constant in power (such as 29dBm), and the signal can be used for scenes of soft handover, cell selection reselection, open loop power control, pilot pollution and the like.
In the above technical solution, preferably, the communication unit is further configured to: after configuring the covering wave beam to enter a sleep mode, configuring the sending time synchronization information of the sending wave beam and the configuration information of the random access pilot frequency time frequency resource; the communication unit is further configured to: after the coverage wave beam enters the sleep mode, if the downlink data to be sent is detected, the configuration sending wave beam enters the wake-up state to send the downlink data, wherein the configuration information of the random access pilot frequency time frequency resource is used for indicating the terminal equipment to send the position of the random access pilot frequency time frequency resource and the format information of the random access sequence.
In the technical scheme, when the covering beam is in an awakening mode, the receiving beam is configured to monitor an uplink channel and receive uplink data so as to respond to an uplink request frame and the uplink data of the terminal equipment in real time, and further the reliability of communication is ensured.
In the above technical solution, preferably, the communication unit is further configured to: after configuring the covering wave beam to enter a sleep mode, configuring the sending time synchronization information of the sending wave beam and the configuration information of the random access pilot frequency time frequency resource; the communication unit is further configured to: after the coverage wave beam enters the sleep mode, if the downlink data to be sent is detected, the configuration sending wave beam enters the wake-up state to send the downlink data, wherein the configuration information of the random access pilot frequency time frequency resource is used for indicating the terminal equipment to send the position of the random access pilot frequency time frequency resource and the format information of the random access sequence.
In the technical scheme, after configuring the covering beam to enter the sleep mode, the sending time synchronization information of the sending beam and the configuration information of the random access pilot frequency time-frequency Resource are configured, so that the possibility of time desynchronization between the terminal equipment and the base station equipment can be reduced, meanwhile, the configuration information of the random access pilot frequency time-frequency Resource can directly indicate the symbol position and the RB (Resource Block) position of the random access pilot frequency, and can also be a configuration label indicating various possible time-frequency positions, so that the terminal equipment with the moved position can be rapidly and randomly accessed to the base station equipment.
In the above technical solution, preferably, the communication unit is further configured to: after configuring a covering beam to enter a sleep mode, configuring a receiving beam to enter an awakening state and monitoring an uplink channel in a preset random access pilot frequency period so as to acquire a random access pilot frequency request sent by terminal equipment; the communication unit is further configured to: if the receiving wave beam does not acquire the random access pilot frequency request in the preset random access pilot frequency time period, the receiving wave beam enters a dormant state and stops monitoring an uplink channel and receiving uplink data; the communication unit is further configured to: and if the wave beam is received to acquire the random access pilot frequency request in the preset random access pilot frequency time period, configuring the covering wave beam to enter an awakening mode.
In the technical scheme, in a preset random access pilot time period, a receiving beam does not acquire a random access pilot request, enters a dormant state and stops monitoring an uplink channel and receiving uplink data, namely, the receiving beam is configured to be formed to monitor the uplink channel and receive the uplink data, and in the preset random access pilot time period, the receiving beam acquires the random access pilot request, and the covering beam is configured to enter an awake mode to reestablish a connection relation with terminal equipment and form a sending beam covering the terminal equipment.
In addition, the terminal devices may be mobile phones, wireless fidelity (Wi-fi) access devices, bluetooth, computer and server clusters, and the like, and the base station device performs receive beamforming from several terminal devices in an uplink channel and performs transmit beamforming to several terminal devices in a downlink channel.
Advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic flow diagram of a communication method of a wireless network according to one embodiment of the invention;
fig. 2 shows a schematic block diagram of a communication device of a wireless network according to an embodiment of the invention;
fig. 3 shows an interaction diagram of a communication scheme of a wireless network according to an embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a schematic flow diagram of a communication method of a wireless network according to one embodiment of the invention.
As shown in fig. 1, a communication method of a wireless network according to an embodiment of the present invention includes: step S102, when the covering wave beam is in the wake-up mode, timing the duration of not sending the downlink data continuously and the duration of not receiving the uplink data continuously, and respectively recording the durations as a first duration and a second duration; step S202, when it is detected that the first duration is greater than or equal to a preset first duration and it is detected that the second duration is greater than or equal to a preset second duration, configuring a coverage beam to enter a sleep mode, wherein the coverage beam includes a transmission beam and a reception beam.
In the technical scheme, when the first duration is detected to be greater than or equal to the preset first duration and the second duration is detected to be greater than or equal to the preset second duration, when it is determined that downlink data does not need to be sent or uplink data does not need to be received, the coverage beam is configured to enter the sleep mode, so that the power consumption of the base station equipment can be reduced, and meanwhile, the communication interference on an adjacent cell and the coverage beam thereof can also be reduced.
Specifically, the coverage beams may be divided into a transmission beam and a reception beam, where the transmission beam is used to transmit downlink data, and the reception beam is used to receive uplink data transmitted by the terminal device, where each transmission beam has its corresponding reception beam (without excluding a case where the transmission beam and its corresponding reception beam are the same beam). Therefore, considering that the terminal device in the cell may be in the RRC _ IDLE state or the DRX state, the base station device may enter the sleep mode according to the communication state of the terminal device, that is, the base station device may control the coverage beam to enter the sleep mode to reduce power consumption, and at the same time, may also reduce communication interference of the coverage beam to the coverage beam of the neighboring cell.
In the foregoing technical solution, preferably, the communication method of the wireless network further includes: when the covering wave beam is in an awakening mode, a sending time synchronization signal, a broadcast signal, system information, cell common pilot frequency information and downlink data of the sending wave beam are configured, wherein the time synchronization signal comprises primary synchronization information and/or secondary synchronization information.
In the technical solution, when the coverage beam is in the wake-up mode, a transmission time synchronization signal, a broadcast signal, system information, cell common pilot information, and downlink data of the transmission beam are configured, where the time synchronization signal includes primary synchronization information and/or secondary synchronization information, and the downlink data may be buffered downlink data buffered in a base station device, which specifically includes the following technical effects:
(1) by configuring and forming a sending beam to send a time synchronization signal, at least the following three synchronization requirements can be realized:
(1.1) capturing symbol and frame timing, requiring time synchronization information to determine the correct symbol start position;
(1.2) in carrier frequency synchronization, time synchronization information is required to reduce or eliminate the influence of frequency error, wherein the frequency error may be caused by Doppler shift of terminal equipment movement;
(1.3) the time synchronization information is also used for synchronization of the sampling clock.
(2) Through configuring and forming a sending beam to send a broadcast signal, the base station equipment can realize a point-to-multipoint connection negotiation process with all terminal equipment in a cell, correspondingly, any terminal equipment in the cell can select to receive or reject the broadcast information, and the point-to-multipoint transmission mode reduces the total amount of downlink transmission data and also reduces the power consumption and the spectrum resource occupancy rate of a control layer.
(3) A transmission beam is configured to transmit System signals, such as MIB (Main Information Block) messages, SIB (System Information Block) messages, and System Information (SI) messages, to negotiate basic parameter Information, access parameter Information, scheduling Information, common and shared Information configuration Information, cell reselection Information, etc., of a cell.
(4) The cell common pilot information is transmitted by configuring a transmission beam, the cell common pilot information exists in a physical channel, and is used for a signal transmitted for the purpose of measurement or monitoring, the signal is usually constant in power (such as 29dBm), and the signal can be used for scenes of soft handover, cell selection reselection, open loop power control, pilot pollution and the like.
In the foregoing technical solution, preferably, the communication method of the wireless network further includes: and when the covering beam is in an awakening mode, configuring a receiving beam to monitor an uplink channel and receive uplink data.
In the technical scheme, when the covering wave beam is in the wake-up mode, the receiving wave beam is configured to monitor an uplink channel and receive uplink data so as to respond to an uplink request frame and the uplink data of the terminal equipment in real time, and further ensure the reliability of communication.
In the foregoing technical solution, preferably, the communication method of the wireless network further includes: after configuring the covering wave beam to enter a sleep mode, configuring the sending time synchronization information of the sending wave beam and the configuration information of the random access pilot frequency time frequency resource; after the coverage wave beam enters the sleep mode, if the downlink data to be sent is detected, the configuration sending wave beam enters the wake-up state to send the downlink data, wherein the configuration information of the random access pilot frequency time frequency resource is used for indicating the terminal equipment to send the position of the random access pilot frequency time frequency resource and the format information of the random access sequence.
In the technical scheme, after configuring the covering beam to enter the sleep mode, the sending time synchronization information of the sending beam and the configuration information of the random access pilot frequency time-frequency Resource are configured, so that the possibility of time desynchronization between the terminal equipment and the base station equipment can be reduced, meanwhile, the configuration information of the random access pilot frequency time-frequency Resource can directly indicate the symbol position and the RB (Resource Block) position of the random access pilot frequency, and can also be a configuration label indicating various possible time-frequency positions, so that the terminal equipment with the moved position can be rapidly and randomly accessed to the base station equipment.
In the foregoing technical solution, preferably, the communication method of the wireless network further includes: after the configured covering wave beam enters a sleep mode, in a preset random access pilot frequency time period, receiving the wave beam to enter an awakening state and monitoring an uplink channel so as to obtain a random access pilot frequency request sent by terminal equipment; if the receiving wave beam does not acquire the random access pilot frequency request in the preset random access pilot frequency time period, the receiving wave beam enters a dormant state and stops monitoring an uplink channel and receiving uplink data; and if the wave beam is received to acquire the random access pilot frequency request in the preset random access pilot frequency time period, configuring the covering wave beam to enter an awakening mode.
In the technical scheme, in a preset random access pilot time period, a receiving beam does not acquire a random access pilot request, enters a dormant state and stops monitoring an uplink channel and receiving uplink data, namely, the receiving beam is configured to be formed to monitor the uplink channel and receive the uplink data, and in the preset random access pilot time period, the receiving beam acquires the random access pilot request, and the covering beam is configured to enter an awake mode to reestablish a connection relation with terminal equipment and form a sending beam covering the terminal equipment.
Fig. 2 shows a schematic block diagram of a communication device of a wireless network according to an embodiment of the invention.
As shown in fig. 2, a communication apparatus 200 of a wireless network according to an embodiment of the present invention includes: a timing unit 202, configured to time a duration during which downlink data is not sent continuously and a duration during which uplink data is not received continuously when the coverage beam is in the wake-up mode, and respectively record the durations as a first duration and a second duration; the communication unit 204 is configured to configure a coverage beam to enter a sleep mode when it is detected that the first duration is greater than or equal to a preset first duration and it is detected that the second duration is greater than or equal to a preset second duration, where the coverage beam includes a transmit beam and a receive beam.
In the technical scheme, when the first duration is detected to be greater than or equal to the preset first duration and the second duration is detected to be greater than or equal to the preset second duration, when it is determined that downlink data does not need to be sent or uplink data does not need to be received, the coverage beam is configured to enter the sleep mode, so that the power consumption of the base station equipment can be reduced, and meanwhile, the communication interference on the adjacent cell and the coverage beam thereof can also be reduced.
Specifically, the coverage beams may be divided into a transmission beam and a reception beam, where the transmission beam is used to transmit downlink data, and the reception beam is used to receive uplink data transmitted by the terminal device, where each transmission beam has its corresponding reception beam (without excluding a case where the transmission beam and its corresponding reception beam are the same beam). Therefore, considering that the terminal device in the cell may be in the RRC _ IDLE state or the DRX state, the base station device may enter the sleep mode according to the communication state of the terminal device, that is, the base station device may control the coverage beam to enter the sleep mode to reduce power consumption, and at the same time, may also reduce communication interference of the coverage beam to the coverage beam of the neighboring cell.
In the foregoing technical solution, preferably, the communication unit 204 is further configured to: when the covering wave beam is in an awakening mode, a sending time synchronization signal, a broadcast signal, system information, cell common pilot frequency information and downlink data of the sending wave beam are configured, wherein the time synchronization signal comprises primary synchronization information and/or secondary synchronization information.
In the technical scheme, when the coverage beam is in an awake mode, a transmission time synchronization signal, a broadcast signal, system information, cell common pilot information, and downlink data of the transmission beam are configured, where the time synchronization signal includes primary synchronization information and/or secondary synchronization information, and the downlink data may be buffered downlink data buffered in a base station device, which specifically includes the following technical effects:
(1) by configuring and forming a sending beam to send a time synchronization signal, at least the following three synchronization requirements can be realized:
(1.1) during capturing of symbol and frame timing, time synchronization information is needed to determine the correct symbol starting position;
(1.2) in carrier frequency synchronization, time synchronization information is required to reduce or eliminate the influence of frequency error, wherein the frequency error may be caused by Doppler shift of terminal equipment movement;
(1.3) the time synchronization information is also used for synchronization of the sampling clock.
(2) Through configuring and forming a sending beam to send a broadcast signal, the base station equipment can realize a point-to-multipoint connection negotiation process with all terminal equipment in a cell, correspondingly, any terminal equipment in the cell can select to receive or reject the broadcast information, and the point-to-multipoint transmission mode reduces the total amount of downlink transmission data and also reduces the power consumption and the spectrum resource occupancy rate of a control layer.
(3) A transmission beam is configured to transmit System signals, such as MIB (Main Information Block) messages, SIB (System Information Block) messages, and System Information (SI) messages, to negotiate basic parameter Information, access parameter Information, scheduling Information, common and shared Information configuration Information, cell reselection Information, etc., of a cell.
(4) The cell common pilot information is transmitted by configuring a transmission beam, the cell common pilot information exists in a physical channel, and is used for a signal transmitted for the purpose of measurement or monitoring, the signal is usually constant in power (such as 29dBm), and the signal can be used for scenes of soft handover, cell selection reselection, open loop power control, pilot pollution and the like.
In the above technical solution, preferably, the communication unit 204 is further configured to: after configuring the covering wave beam to enter a sleep mode, configuring the sending time synchronization information of the sending wave beam and the configuration information of the random access pilot frequency time frequency resource; the communication unit 204 is further configured to: after the coverage wave beam enters the sleep mode, if the downlink data to be sent is detected, the configuration sending wave beam enters the wake-up state to send the downlink data, wherein the configuration information of the random access pilot frequency time frequency resource is used for indicating the terminal equipment to send the position of the random access pilot frequency time frequency resource and the format information of the random access sequence.
In the technical scheme, when the covering beam is in an awakening mode, the receiving beam is configured to monitor an uplink channel and receive uplink data so as to respond to an uplink request frame and the uplink data of the terminal equipment in real time, and further the reliability of communication is ensured.
In the foregoing technical solution, preferably, the communication unit 204 is further configured to: after configuring the covering wave beam to enter a sleep mode, configuring the sending time synchronization information of the sending wave beam and the configuration information of the random access pilot frequency time frequency resource; the communication unit 204 is further configured to: and after the covering wave beam enters the sleep mode, if the downlink data to be sent is detected, configuring the sending wave beam to enter an awake state so as to send the downlink data, wherein the configuration information of the random access pilot frequency time-frequency resource is used for indicating the terminal equipment to send the position of the random access pilot frequency time-frequency resource and the format information of the random access sequence.
In the technical scheme, after configuring the covering beam to enter the sleep mode, the sending time synchronization information of the sending beam and the configuration information of the random access pilot frequency time-frequency Resource are configured, so that the possibility of time desynchronization between the terminal equipment and the base station equipment can be reduced, meanwhile, the configuration information of the random access pilot frequency time-frequency Resource can directly indicate the symbol position and the RB (Resource Block) position of the random access pilot frequency, and can also be a configuration label indicating various possible time-frequency positions, so that the terminal equipment with the moved position can be rapidly and randomly accessed to the base station equipment.
In the foregoing technical solution, preferably, the communication unit 204 is further configured to: after configuring a covering beam to enter a sleep mode, configuring a receiving beam to enter an awakening state and monitoring an uplink channel in a preset random access pilot frequency period so as to acquire a random access pilot frequency request sent by terminal equipment; the communication unit 204 is further configured to: if the receiving wave beam does not acquire the random access pilot frequency request in the preset random access pilot frequency time period, the receiving wave beam enters a dormant state and stops monitoring an uplink channel and receiving uplink data; the communication unit 204 is further configured to: and if the wave beam is received to acquire the random access pilot frequency request in the preset random access pilot frequency time period, configuring the covering wave beam to enter an awakening mode.
In the technical scheme, in a preset random access pilot time period, a receiving beam does not acquire a random access pilot request, enters a dormant state and stops monitoring an uplink channel and receiving uplink data, namely, the receiving beam is configured to be formed to monitor the uplink channel and receive the uplink data, and in the preset random access pilot time period, the receiving beam acquires the random access pilot request, and the covering beam is configured to enter an awake mode to reestablish a connection relation with terminal equipment and form a sending beam covering the terminal equipment.
In addition, the terminal devices may be mobile phones, wireless fidelity (Wi-fi) access devices, bluetooth, computer and server clusters, and the like, and the base station device performs receive beamforming from several terminal devices in an uplink channel and performs transmit beamforming to several terminal devices in a downlink channel.
The embodiment is as follows:
as shown in fig. 3, when detecting that the first duration is greater than or equal to a preset first duration and detecting that the second duration is greater than or equal to a preset second duration, the base station device configures the coverage beam to enter a sleep mode, and in the sleep mode, the base station device still needs to send time synchronization information and configuration information of a random access pilot time-frequency resource to the terminal device, and detects whether to acquire a random access pilot request sent by the terminal device within a preset random access pilot time period.
When detecting the random access pilot frequency request, the covering wave beam of the base station equipment enters the awakening mode from the dormant mode, firstly, the access process is completed in response to the access pilot frequency request, the sending wave beam is configured to transmit the downlink data and the control information corresponding to the downlink data, and meanwhile, the receiving wave beam is configured to receive the uplink data and monitor the uplink channel.
The technical solution of the present invention is described in detail above with reference to the accompanying drawings, and in view of the technical problem of how to reduce the power consumption and communication interference of the base station device proposed in the related art, the present invention proposes a communication scheme of a wireless network, wherein when it is detected that a first duration is greater than or equal to a preset first duration and a second duration is greater than or equal to a preset second duration, it can be determined that downlink data does not need to be transmitted or uplink data does not need to be received, and a coverage beam is configured to enter a sleep mode, so that the power consumption of the base station device can be reduced, and meanwhile, communication interference to an adjacent cell and a coverage beam thereof can also be reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A communication method of a wireless network is applicable to a base station device, and is characterized in that the communication method of the wireless network comprises the following steps:
when the covering wave beam is in an awakening mode, timing the duration of not sending downlink data continuously and the duration of not receiving uplink data continuously, and respectively recording the durations as a first duration and a second duration;
configuring the coverage beam to enter a sleep mode when detecting that the first duration is greater than or equal to a preset first duration and detecting that the second duration is greater than or equal to a preset second duration,
wherein the coverage beams comprise transmit beams and receive beams;
configuring a transmission time synchronization signal, a broadcast signal, system information and cell common pilot information of the transmission beam and the downlink data when a coverage beam is in the awake mode,
wherein the time synchronization signal comprises primary synchronization information and/or secondary synchronization information;
after configuring the covering wave beam to enter the sleep mode, in a preset random access pilot frequency period, the receiving wave beam enters an awakening state and monitors an uplink channel so as to acquire a random access pilot frequency request sent by terminal equipment;
if the receiving beam does not acquire the random access pilot request in the preset random access pilot time period, the receiving beam enters a dormant state and stops monitoring the uplink channel and receiving the uplink data;
and if the receiving wave beam obtains the random access pilot frequency request in the preset random access pilot frequency time period, configuring the covering wave beam to enter the awakening mode.
2. The communication method of the wireless network according to claim 1, further comprising:
and when the covering beam is in the awakening mode, configuring the receiving beam to monitor an uplink channel and receive the uplink data.
3. The communication method of the wireless network according to claim 1, further comprising:
after configuring the covering wave beam to enter the sleep mode, configuring the sending time synchronization information of the sending wave beam and the configuration information of the random access pilot frequency time frequency resource;
after the covering wave beam enters the sleep mode, if downlink data to be sent is detected, configuring the sending wave beam to enter an awakening state to send the downlink data,
the configuration information of the random access pilot frequency time frequency resource is used for indicating the terminal equipment to send the random access pilot frequency time frequency resource position and the random access sequence format information.
4. A communication apparatus of a wireless network, adapted to a base station device, the communication apparatus of the wireless network comprising:
a timing unit, configured to time a duration for which downlink data is not transmitted continuously and a duration for which uplink data is not received continuously when the coverage beam is in the wake-up mode, and to record the durations as a first duration and a second duration, respectively;
a communication unit, configured to configure the coverage beam to enter a sleep mode when detecting that the first duration is greater than or equal to a preset first duration and detecting that the second duration is greater than or equal to a preset second duration,
wherein the coverage beams comprise transmit beams and receive beams;
the communication unit is further configured to: configuring a transmission time synchronization signal, a broadcast signal, system information and cell common pilot information of the transmission beam and the downlink data when a coverage beam is in the awake mode,
wherein the time synchronization signal comprises primary synchronization information and/or secondary synchronization information;
the communication unit is further configured to: after configuring the covering wave beam to enter the sleep mode, configuring the receiving wave beam to enter an awakening state and monitoring an uplink channel in a preset random access pilot frequency period so as to acquire a random access pilot frequency request sent by terminal equipment;
the communication unit is further configured to: if the receiving beam does not acquire the random access pilot request in the preset random access pilot time period, the receiving beam enters a dormant state and stops monitoring the uplink channel and receiving the uplink data;
the communication unit is further configured to: and if the receiving wave beam obtains the random access pilot frequency request in the preset random access pilot frequency time period, configuring the covering wave beam to enter the wakeup mode.
5. The wireless network communication apparatus of claim 4,
the communication unit is further configured to: and when the covering beam is in the awakening mode, configuring the receiving beam to monitor an uplink channel and receive the uplink data.
6. The wireless network communication apparatus of claim 4,
the communication unit is further configured to: after configuring the covering wave beam to enter the sleep mode, configuring the sending time synchronization information of the sending wave beam and the configuration information of the random access pilot frequency time frequency resource;
the communication unit is further configured to: after the covering wave beam enters the sleep mode, if downlink data to be sent is detected, configuring the sending wave beam to enter an awakening state to send the downlink data,
the configuration information of the random access pilot frequency time-frequency resource is used for indicating the terminal equipment to send the random access pilot frequency time-frequency resource position and the random access sequence format information.
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